AUTHOR INDEX AND LIST OF PARTICIPANTS 681 



Wells, S. P. , U.S. Dep. Agr. , 

 Forest Serv. , P.O. Box 469, 

 Moscow, Idaho 83843, U.S.A. 



White, J., Dep. of Plant Pathol., 

 Wash. State Univ., Pullman, 

 Washington 99164, U.S.A. 



Wicker, E. F., U.S. Dep. Agr., 

 Forest Serv., P.O. Box 469, 

 Moscow, Idaho 83843, U.S.A. 



Williams, R. E., Dep. of Plant 

 Pathol., Wash. State Univ., 

 Pullman, Washington 99164, U.S.A. 



Wise, K. C. , U.S. Dep. Agr. , 

 Forest Serv., P.O. Box 469, 

 Moscow, Idaho 83843, U.S.A. 



Wohletz, E., Coll. of Forestry, 

 Wildlife 6 Range Sci., Univ. 

 of Idaho, Moscow, Idaho 83843, 

 U.S.A. 



Woo, J. Y. , U.S. Dep. Agr., Forest 

 Serv., P.O. Box 469, Moscow, 

 Idaho 83845, U.S.A. 



Wright, W. F., News Bureau and 

 Publ., Univ. of Idaho, Moscow, 

 Idaho 83843, U.S.A. 

 r Zadoks , J. C. , Landbouwhogeschool , 

 Laboratorium voor Fytopathologie , 

 Binnenhaven 9, Postbus 85, 

 Wageningen, Netherlands, p. 43. 

 : Zufa, L., Ontario Dep. of Lands 

 £ Forests, Res. Branch, Maple, 

 Ontario, Canada, p. 387,515. 



